Dusk over Forest Line and Field, 1970s 1970–1979 Gallstone Collection, Medical Study, 1970s 1970–1979 Intricate Fossil Shells, 1970s 1970–1979 Private Jet Conversation, 1970s 1970–1979 Fossil Slab with Marine Invertebrates, 1970s 1970–1979 Rocky Gully with Scrub Vegetation, 1970s 1970–1979 Cone Shell, 1970s 1970–1979 Clements Mountain View, Glacier National Park, 1970s 1970–1979 · Glacier National Park Sutter's Fort State Historical Monument, California, 1970s 1970–1979 · Sacramento Durango & Silverton Narrow Gauge Steam Train, Animas River, 1970s 1970–1979 · Animas River Urban Garden Bed with Mullein and Newspaper, 1970s 1970–1979 Geological Survey Marker on Rock Face, 1970s 1970–1979 Michaelerkirche, Mondsee, Austria, 1970s 1970–1979 · Mondsee Silverton, Colorado Mining Town in Mountain Valley, 1970s 1970–1979 · Silverton, Colorado Lakeside Leisure, 1970s 1970–1979 Lakeside Counsel, 1970s 1970–1979 Abundant Homegrown Strawberry Harvest, 1970s 1970–1979 Two Fishermen with Catch, Wilderness Lake, 1970s 1970–1979 · Wilderness Lake Ice-Covered Forest, 1970s 1970–1979 Lakeshore View, 1970s 1970–1979 Ice-Coated Evergreen, 1970s Winter 1970–1979 Men at a Wilderness Lake Camp, 1970s 1970–1979 1970s Golden Decorative Objects 1970–1979 Meditative Figurines, Warm Glow, 1970s 1970–1979 Geologist's Hammer Embedded in Rock, 1970s Fieldwork 1970–1979 Bogotá Urban Sprawl, Andes, 1970s 1970–1979 · Bogotá Strasbourg Canal View, Petite France, 1970s 1970–1979 · Strasbourg Diplomatic Reception, Latin America, 1970s 1970–1979 Rheinfels Castle Ruins, St. Goar, Rhine River, 1970s 1970–1979 · St. Goar Pre-Columbian Gold Artefacts Display, 1970s 1970–1979 Forest Stream from Above, 1970s 1970–1979 Pueblito Paisa Visitors, Medellín, 1970s 1970–1979 · Medellín San Diego Bay Vista from Point Loma, 1970s 1970–1979 · San Diego Bay Mountain Stream and Snowy Peak, 1970s 1970–1979 Nymphenburg Palace Gardens, Munich, 1970s 1970–1979 · Nymphenburg Palace Datsun 610 and Suzuki GS Motorcycle in Minnesota Garage, 1975 1970–1979 · Minnesota Kurfürstliches Schloss Mainz from the Rhine, Germany, 1970s 1970–1979 · Mainz Elaborate Miniature Diorama Display, 1970s 1970–1979 American Suburban Boulevard, 1970s 1970–1979 Ancient Gold Artefacts Display, 1970s 1970–1979 Tranquil Forest Lake Shore, 1970s 1970–1979 Abstract Glass Sculpture, 1970s Art Exhibition 1970–1979 Historic Canal and Riverside Houses, Strasbourg, 1970s 1970–1979 · Strasbourg Parachutist Descending, 1970s 1970–1979 Hansabrunnen Monument, Hamburg, Germany, 1970s 1970–1979 · Hamburg Bogotá Urban Sprawl from Monserrate, 1970s 1970–1979 · Bogotá Oberammergau Shops, Bavarian Alps, 1970s 1970–1979 · Oberammergau Gila Cliff Dwellings Exploration, New Mexico, 1970s 1970–1979 · Gila Cliff Dwellings National Monument